#include<stdio.h>
#include<conio.h>
void main()
{
   int a, b,s;
   clrscr();
 tinh tong s=a+b;
   printf("nhap vao so nguyen a,b: ");
   scanf("%d%d", &a, &b );
   printf("\ntong cua 2so nguyen la: %d", a, b,s);
   getch();
}